Add MCP capabilities endpoint to make API MCP compliant

app.py

@@ -164,6 +164,49 @@ def get_version():
     """Get API version"""
     return jsonify({'version': '1.0.0'})
 
+@app.route('/capabilities', methods=['GET'])
+def get_capabilities():
+    """MCP capabilities endpoint"""
+    return jsonify({
+        "name": "YouTube CLI API",
+        "version": "1.0.0",
+        "description": "YouTube CLI API for searching and downloading videos",
+        "endpoints": [
+            {
+                "path": "/search",
+                "method": "GET",
+                "description": "Search YouTube videos"
+            },
+            {
+                "path": "/download",
+                "method": "POST",
+                "description": "Download a video by URL"
+            },
+            {
+                "path": "/health",
+                "method": "GET",
+                "description": "Health check endpoint"
+            },
+            {
+                "path": "/version",
+                "method": "GET",
+                "description": "Get API version"
+            },
+            {
+                "path": "/capabilities",
+                "method": "GET",
+                "description": "MCP capabilities endpoint"
+            }
+        ],
+        "features": [
+            "Video search",
+            "Video download",
+            "Health monitoring",
+            "Version information",
+            "MCP compliance"
+        ]
+    })
+
 if __name__ == '__main__':
     # Fix the port issue by using a different port
     app.run(host='0.0.0.0', port=4096, debug=True)